31853240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{337}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 76658400

約数和(自身を除く): 44805160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 139, 170, 278, 337, 340, 556, 674, 680, 695, 1112, 1348, 1390, 1685, 2363, 2696, 2780, 3370, 4726, 5560, 5729, 6740, 9452, 11458, 11815, 13480, 18904, 22916, 23630, 28645, 45832, 46843, 47260, 57290, 93686, 94520, 114580, 187372, 229160, 234215, 374744, 468430, 796331, 936860, 1592662, 1873720, 3185324, 3981655, 6370648, 7963310, 15926620, 31853240]

約数ペア:

[(1, 31853240), (2, 15926620), (4, 7963310), (5, 6370648), (8, 3981655), (10, 3185324), (17, 1873720), (20, 1592662), (34, 936860), (40, 796331), (68, 468430), (85, 374744), (136, 234215), (139, 229160), (170, 187372), (278, 114580), (337, 94520), (340, 93686), (556, 57290), (674, 47260), (680, 46843), (695, 45832), (1112, 28645), (1348, 23630), (1390, 22916), (1685, 18904), (2363, 13480), (2696, 11815), (2780, 11458), (3370, 9452), (4726, 6740), (5560, 5729)]